How to Block DHCPv6 traffic and incoming router advertisements in Windows Firewall via Group Policy

Question

I received a report from auditor team with the mentioned issue. I need to be able to block DHCPv6 traffic and and incoming router advertisements in Windows Firewall via Group Policy. Is this possible? If yes what group policy and location that i need to configure in my active directory.

My active directory is running windows server 2016.

Answer 1

Hello there,

We can do this by creating a Firewall rule.Please perform the following:

Open Windows Firewall
Click On Advanced Settings (Left)
Click on Inbound Rule (Left)
Click on "New Rule" (Right)
Select Custom
Select Protocols and Ports
Click on the drop-down button under Protocol Type
Select IPv6 > Next
Select "These IP addresses"
Click on Add
Enter the IPv6 address
Apply > OK

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